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1300042442 = 25631154567
BaseRepresentation
bin100110101111101…
…0001001011001010
310100121020222222002
41031133101023022
510130302324232
6333000231002
744134115126
oct11537211312
93317228862
101300042442
11607927146
1230346b462
131794513aa
14c4932586
15791ecb62
hex4d7d12ca

1300042442 has 8 divisors (see below), whose sum is σ = 1953529056. Its totient is φ = 648866092.

The previous prime is 1300042441. The next prime is 1300042451. The reversal of 1300042442 is 2442400031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13000424422 = 3380220702002646728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1300042441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576158 + ... + 578409.

It is an arithmetic number, because the mean of its divisors is an integer number (244191132).

Almost surely, 21300042442 is an apocalyptic number.

1300042442 is a deficient number, since it is larger than the sum of its proper divisors (653486614).

1300042442 is a wasteful number, since it uses less digits than its factorization.

1300042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155132.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1300042442 is about 36056.1013144794. The cubic root of 1300042442 is about 1091.4047600849.

Adding to 1300042442 its reverse (2442400031), we get a palindrome (3742442473).

The spelling of 1300042442 in words is "one billion, three hundred million, forty-two thousand, four hundred forty-two".

Divisors: 1 2 563 1126 1154567 2309134 650021221 1300042442